[PATCH V3 6/7] rtc: rv3029: fix set_time function

From: MylÃne Josserand
Date: Tue May 03 2016 - 05:56:18 EST


The bin2bcd function in set_time is uncorrect on weekdays as the
bit mask should be done at the end of arithmetic operations.

Signed-off-by: MylÃne Josserand <mylene.josserand@xxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-rv3029c2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index 88a0c18..916bbc2 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -502,7 +502,7 @@ static int rv3029_set_time(struct device *dev, struct rtc_time *tm)
regs[RV3029_W_HOURS - RV3029_W_SEC] = bin2bcd(tm->tm_hour);
regs[RV3029_W_DATE - RV3029_W_SEC] = bin2bcd(tm->tm_mday);
regs[RV3029_W_MONTHS - RV3029_W_SEC] = bin2bcd(tm->tm_mon + 1);
- regs[RV3029_W_DAYS - RV3029_W_SEC] = bin2bcd((tm->tm_wday & 7) + 1);
+ regs[RV3029_W_DAYS - RV3029_W_SEC] = bin2bcd(tm->tm_wday + 1) & 0x7;
regs[RV3029_W_YEARS - RV3029_W_SEC] = bin2bcd(tm->tm_year - 100);

ret = rv3029_write_regs(dev, RV3029_W_SEC, regs,
--
2.8.0.rc3